All codes/U010C

U010C

Lost Communication With Turbocharger/Supercharger Control Module A

High severity

ECU has lost CAN communication with the turbocharger control module A. Boost control tracks commanded vs. actual manifold pressure; persistent deviation means wastegate, vanes, hose or actuator are not delivering the requested pressure.

ECU has lost CAN communication with the turbocharger control module A. Boost control tracks commanded vs. actual manifold pressure; persistent deviation means wastegate, vanes, hose or actuator are not delivering the requested pressure.

Common causes

  • Module unpowered

    One of the most commonly reported causes for this code — check this first.

    high

    Typical part cost: $90-1650

  • Gateway module routing CAN messages incorrectly

    Less common, but worth ruling out after the more likely causes.

    low

    Typical part cost: $90-1650

  • See all causes + fix costs

    Create a free Wrenchify account to unlock the rest for U010C.

    Unlock causes

    Free forever · No credit card

First things to check

  1. 1Confirm the code with a scan tool and check for additional related codes.
  2. 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.

Get the full step-by-step diagnosis

Create a free Wrenchify account to unlock the rest for U010C.

Unlock diagnosis

Free forever · No credit card

Related codes

See related trouble codes

Create a free Wrenchify account to unlock the rest for U010C.

Unlock related codes

Free forever · No credit card

Frequently asked questions

What does U010C mean?

U010C means "Lost Communication With Turbocharger/Supercharger Control Module A". It is a generic OBD-II code that points to a fault in the network / communication.

What are the most common causes of U010C?

module unpowered; gateway module routing can messages incorrectly; can terminating resistor (120 ω) drifted out of spec — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.

Can I keep driving with this code?

This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly. Use the Wrenchify app for a full diagnosis specific to your vehicle.

Get the full U010C diagnosis for your vehicle

Year, make, model + step-by-step repair help — free plan included.

Diagnose U010C